<template>
<a-layout-header :class="[fixHeader && 'ant-header-fixedHeader', layout === 'side' ? (sidebarOpened ? 'ant-header-side-opened' : 'ant-header-side-closed') : null, theme, 'global-header' ]">
  <div :class="['global-header-wide', layout]">
    <router-link v-if="isMobile || layout === 'head'" to="/" :class="['logo', isMobile ? null : 'pc', theme]">
      <img width="32" src="../../static/img/logo.png" alt="" />
      <h1 v-if="!isMobile">{{systemName}}</h1>
    </router-link>
    <a-divider v-if="isMobile" type="vertical" />
    <a-icon v-if="layout === 'side'" class="trigger" :type="collapsed ? 'menu-unfold' : 'menu-fold'" @click="toggleCollapse" />
    <div v-if="layout === 'head'" class="global-header-menu">
      <i-menu style="height: 64px; line-height: 64px;" class="system-top-menu" :theme="theme" mode="horizontal" :menuData="menuData" @select="onSelect" />
    </div>
    <div :class="['global-header-right', theme]">
      <header-avatar class="header-item" />
    </div>
  </div>
</a-layout-header>
</template>

<script>
import HeaderAvatar from './HeaderAvatar'
import IMenu from '@/components/menu/menu'
import {
  mapState
} from 'vuex'

export default {
  name: 'GlobalHeader',
  components: {
    IMenu,
    HeaderAvatar
  },
  props: ['collapsed', 'menuData'],
  computed: {
    ...mapState({
      isMobile: state => state.setting.isMobile,
      layout: state => state.setting.layout,
      systemName: state => state.setting.systemName,
      sidebarOpened: state => state.setting.sidebar.opened,
      fixHeader: state => state.setting.fixHeader
    }),
    theme() {
      return this.layout === 'side' ? 'light' : this.$store.state.setting.theme
    }
  },
  methods: {
    toggleCollapse() {
      this.$emit('toggleCollapse')
    },
    onSelect(obj) {
      this.$emit('menuSelect', obj)
    }
  }
}
</script>

<style lang="less" scoped>
.trigger {
  font-size: 20px;
  line-height: 64px;
  padding: 0 24px;
  cursor: pointer;
  transition: color .3s;
}

.header-item {
  padding: 0 19px;
  display: inline-block;
  height: 100%;
  cursor: pointer;
  vertical-align: middle;

  i {
    font-size: 16px;
    color: rgba(0, 0, 0, .65);
  }
}

.global-header {
  padding: 0 12px 0 0;
  -webkit-box-shadow: 0 1px 4px rgba(0, 21, 41, .08);
  box-shadow: 0 1px 4px rgba(0, 21, 41, .08);
  position: relative;

  &.light {
    background: #fff;
  }

  &.dark {
    background: #393e46;
  }

  .global-header-wide {
    &.head {
      padding: 0 24px;
    }

    .logo {
      height: 64px;
      line-height: 58px;
      vertical-align: top;
      display: inline-block;
      padding: 0 12px 0 24px;
      cursor: pointer;
      font-size: 20px;

      &.pc {
        padding: 0 12px 0 0;
      }

      img {
        display: inline-block;
        vertical-align: middle;
      }

      h1 {
        display: inline-block;
        font-size: 16px;
      }

      &.dark h1 {
        color: #fff;
      }
    }

    .global-header-menu {
      display: inline-block;
    }

    .global-header-right {
      float: right;

      &.dark {
        color: #fff;

        i {
          color: #fff;
        }
      }
    }
  }
}

.ant-header-fixedHeader {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 15;
  width: 100%;
  transition: width .2s;

  &.ant-header-side-opened {
    width: 100%;
    padding-left: 254px;
  }

  &.ant-header-side-closed {
    width: 100%;
    padding-left: 80px;
  }
}
</style>
